University of Cambridge biologist Andrew Gillis studies the embryos of elephant fish, distant relatives of sharks with long, trunklike snouts. But how, exactly, do you get an elephant fish embryo? You ...

Warm waters of brilliant clarity allow divers to explore the underwater world with ease, taking in coral gardens, magnificent drop-offs, ledges and marine life that ranges from colourful clownfish to ...

A tribe of Indonesian “fish people” have evolved extra-large spleens that enable them to free dive to incredible depths. The genetic change discovered in the Bajau tribe is the first known example of ...